Two joggers, one averaging 7 mph and one averaging 6 mph, start from a designated initial point. the slower jogger arrives at the end of the run 20 minutes after the other jogger. find the distance of the run.

Helll ! 1,400 tons of wheat of two different varieties was delivered to the silo. when processing one variety, there was 2% of waste and 3% during the processing of the second variety of wheat. after the processing, the amount of remaining wheat was 1,364 tons. how many tons of each variety of wheat was delivered to the silo?